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Subject: Re: [PATCH v4 72/73] xfs: Convert mru cache to XArray
From: Joe Perches <joe@perches.com>
To: Dave Chinner <david@fromorbit.com>,
        Alan Stern <stern@rowland.harvard.edu>
Cc: Byungchul Park <byungchul.park@lge.com>,
        "Theodore Ts'o" <tytso@mit.edu>, Matthew Wilcox <willy@infradead.org>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        Ross Zwisler <ross.zwisler@linux.intel.com>,
        Jens Axboe <axboe@kernel.dk>, Rehas Sachdeva <aquannie@gmail.com>,
        linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
        linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org,
        linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@lge.com
Date: Sat, 09 Dec 2017 09:00:18 -0800
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On Sat, 2017-12-09 at 09:36 +1100, Dave Chinner wrote:
> 	1. Using lockdep_set_novalidate_class() for anything other
> 	than device->mutex will throw checkpatch warnings. Nice. (*)
[]
> (*) checkpatch.pl is considered mostly harmful round here, too,
> but that's another rant....

How so?

> (**) the frequent occurrence of "core code/devs aren't held to the
> same rules/standard as everyone else" is another rant I have stored
> up for a rainy day.

Yeah.  I wouldn't mind reading that one...

Rainy season is starting right about now here too.